Pellet presses KAHL Expander oe 30-2 KAHL GAP EXPANDER
The maximum pressure is about
40 bar, the operating temperatures
at the expander outlet are between
90 and 140 °C. At the outlet the pressure
drops spontaneously, the material
expands, and part of the added
water evaporates (flash evaporation).
Subsequent drying is not required.
The particle size of the expanded product
can be determined by means of
the downstream crushing device.
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